Metal deforming – With cutting – By shearing tool-couple
Patent
1990-01-19
1991-09-03
Crane, Daniel C.
Metal deforming
With cutting
By shearing tool-couple
72405, 72339, 83923, 413 56, B21D 2802
Patent
active
050441892
ABSTRACT:
A method and apparatus are disclosed for making and transferring shells for cans within a ram press. The shells are formed in a two-step operation in which shell preforms are formed at a first station within the press and then transferred to second station where they are formed into completed shells. The first station includes first and second rows of tooling sets with the tooling sets of the first row being located in alternating transverse positions relative to the tooling sets of the second row. Similarly, the second station includes third and fourth rows of tooling sets in which the tooling set of the third row are located in alternating transverse positions relative to the tooling sets of the fourth row, and the tooling sets of the third and fourth rows are located for receiving the shell preforms from the tooling sets of the second and first rows, respectively. The shell preforms formed in the first row are transferred along a lower transfer level within the press to the fourth row tooling, and the shell preforms formed in the second row are transferred along an upper transfer level within the press to the third row tooling. In addition, a guide path and chopper mechanism are provided for removing from the press scrap skeleton material remaining from a sheet of stock material used in the formation of the shell preforms in the first station.
REFERENCES:
patent: 1725300 (1929-08-01), Pierson
patent: 3003447 (1961-10-01), Gavazzi
patent: 3315512 (1967-04-01), Maciorowski
patent: 3369387 (1968-02-01), Bradlee
patent: 3589221 (1971-06-01), Deegan
patent: 3799020 (1974-03-01), Hoelmer
patent: 4561280 (1985-12-01), Bachmann
patent: 4567746 (1986-02-01), Bachmann
patent: 4770022 (1988-09-01), Cook
patent: 4914996 (1990-04-01), Lavorel
Common Stephen P.
Gnau Kenneth P.
Crane Daniel C.
Dayton Reliable Tool & Mfg. Co.
Nauman Joseph G.
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